CN110572912A - Light control method for tunnel driving light - Google Patents
Light control method for tunnel driving light Download PDFInfo
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- CN110572912A CN110572912A CN201910735511.0A CN201910735511A CN110572912A CN 110572912 A CN110572912 A CN 110572912A CN 201910735511 A CN201910735511 A CN 201910735511A CN 110572912 A CN110572912 A CN 110572912A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000007613 environmental effect Effects 0.000 claims abstract description 11
- 238000004590 computer program Methods 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 abstract description 9
- 230000006870 function Effects 0.000 description 5
- 238000007639 printing Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013135 deep learning Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
- B60Q1/085—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to special conditions, e.g. adverse weather, type of road, badly illuminated road signs or potential dangers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention provides a light control method for a tunnel driving lamp, which comprises the following steps: acquiring environmental information around a vehicle body; the environment information comprises a light intensity signal and image information of a tunnel portal; acquiring real-time vehicle information; the vehicle information comprises the real-time speed of the vehicle; acquiring distance information between a current vehicle and a tunnel entrance based on the image information of the tunnel entrance, and calculating a time signal of the vehicle entering the tunnel according to the distance information and the real-time vehicle speed; comparing the time signal and the light intensity signal with a time threshold and a light intensity threshold respectively, and sending a light control instruction when the time signal is smaller than the time threshold or the light intensity signal is smaller than the light intensity threshold; and controlling the vehicle lamp based on the light control instruction. The invention utilizes the photosensitive sensing technology and the image recognition technology to control the car lamp, so that a driver of the vehicle can start the car lamp in time before entering the tunnel, thereby improving the driving safety.
Description
Technical Field
the invention relates to the technical field of vehicle-mounted information, in particular to a light control method for a tunnel driving lamp.
Background
The automatic control system of the automobile headlamp almost becomes the mature technology of the existing automobile manufacturing industry, the operation which is finished by the driver can be finished when the driver is in a lacked state or in a dispersed state, the danger is avoided, and the driving safety and the driving experience of the driver are improved.
The existing automatic induction headlamp control scheme is based on a light sensor, and the headlamp is turned on after the situation that ambient light is sensed to be dark is sensed. When the vehicle passes through the tunnel, often after getting into the tunnel, the headlight just can be opened, and the mode of opening of this kind of automatic headlight often needs light sensor just can open automatically after several seconds under the dark surrounds, can't realize getting into the tunnel before the automatic headlight that opens. When the surrounding environment suddenly becomes dark from bright, temporary blindness of human vision may be caused, thereby possibly causing a safety accident.
disclosure of Invention
In view of this, an embodiment of the present invention provides a method for controlling light of a driving light in a tunnel, so as to solve the problems in the prior art that the light of the vehicle cannot be turned on in time and the safety is poor.
The embodiment of the invention provides a light control method for a tunnel driving lamp, which comprises the following steps:
Acquiring environmental information around a vehicle body; the environment information comprises a light intensity signal and image information of a tunnel portal;
Acquiring real-time vehicle information; wherein the vehicle information comprises a real-time vehicle speed of the vehicle;
Acquiring distance information between a current vehicle and the tunnel entrance based on the image information of the tunnel entrance, and calculating a time signal of the vehicle entering the tunnel according to the distance information and the real-time vehicle speed;
comparing the time signal and the light intensity signal with a time threshold and a light intensity threshold respectively, and sending a light control instruction when the time signal is smaller than the time threshold or the light intensity signal is smaller than the light intensity threshold;
And controlling the vehicle lamp based on the light control instruction.
preferably, the light control instruction includes at least one of: turning on the vehicle lights, turning off the vehicle lights, turning on/off the high beam, turning on/off the low beam.
Preferably, the vehicle information further includes real-time location information of the vehicle, and the obtaining of the real-time vehicle information is performed to send a light control instruction to a vehicle lamp before the vehicle enters the tunnel based on the vehicle information and the environment information, and further includes:
And acquiring tunnel information of the driving place of the vehicle based on the real-time position information, and sending a vehicle lamp control instruction when a tunnel signal is detected.
preferably, the environment information further includes a distance signal between a current vehicle and a vehicle or a pedestrian ahead, and the obtaining of the real-time vehicle information is performed to send a light control instruction to a vehicle lamp before the vehicle enters the tunnel based on the vehicle information and the environment information, and the method further includes:
Comparing the distance signal with the distance threshold, sending a low beam light turn-on command when the distance signal is less than the distance threshold, an
and when the distance signal is greater than the distance threshold value, sending a high beam turning-on command.
Preferably, the method further comprises the following steps:
And sending a lamp closing instruction after the vehicle leaves the tunnel based on the vehicle information or the environment information.
The embodiment of the invention also provides a light control device for a tunnel driving light, which comprises:
An environmental information acquisition unit for acquiring environmental information around a vehicle body; the environment information comprises a light intensity signal and image information of a tunnel portal;
the vehicle information acquisition unit is used for acquiring real-time vehicle information; wherein the vehicle information comprises a real-time vehicle speed of the vehicle;
The time signal acquisition unit is used for acquiring distance information between a current vehicle and the tunnel entrance based on the image information of the tunnel entrance and calculating a time signal of the vehicle entering the tunnel according to the distance information and the real-time vehicle speed;
The instruction sending unit is used for comparing the time signal and the light intensity signal with a time threshold value and a light intensity threshold value respectively, and sending a light control instruction when the time signal is smaller than the time threshold value or the light intensity signal is smaller than the light intensity threshold value;
And the vehicle lamp control unit is used for controlling the vehicle lamp based on the light control instruction.
preferably, the environment information further includes a distance signal between the current vehicle and a preceding vehicle or a pedestrian, and the instruction transmitting unit further includes:
A low beam light command transmitting unit for comparing the distance signal with the distance threshold value, transmitting a low beam light turning-on command when the distance signal is less than the distance threshold value, an
And the high beam command sending unit is used for sending a high beam opening command when the distance signal is greater than the distance threshold.
the embodiment of the invention also provides tunnel driving light control equipment which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, and is characterized in that the processor executes the program to realize the tunnel driving light control method.
An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the method for controlling light for a tunnel driving light as described above.
In the above embodiment, by acquiring the light intensity information around the vehicle body, the vehicle lamp control can be performed by using the change of the light intensity; meanwhile, the time information of the vehicle entering the tunnel can be acquired based on the image information of the tunnel portal and the real-time vehicle speed information, and the photosensitive sensing technology and the image recognition technology are used for assisting in judging to control the vehicle lamp, so that a vehicle driver can timely start the vehicle lamp before entering the tunnel, potential safety hazards caused by forgetting to start the vehicle lamp or delaying to start the vehicle lamp are avoided, and the driving safety is improved.
drawings
in order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
fig. 1 is a schematic flowchart of a light control method for driving a vehicle in a tunnel according to a first embodiment of the present invention.
fig. 2 is a flowchart of vehicle light control based on image information according to the first embodiment of the present invention.
fig. 3 is a flowchart of the vehicle light control based on the environment and vehicle information according to the first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a tunnel driving light control device according to a second embodiment of the present invention.
Icon: 201-an environment information acquisition unit; 202-a vehicle information acquisition unit; 203-time signal acquisition unit; 204-an instruction issue unit; 205-vehicle light control unit.
Detailed Description
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
it should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, a first embodiment of the present invention provides a method for controlling light for a tunnel driving vehicle, which may be performed by a light control device, and in particular, may be performed by one or more processors or controllers in the light control device, and includes the following steps:
s101, obtaining environmental information around a vehicle body; wherein the environment information comprises a light intensity signal and image information of the tunnel portal.
In this embodiment, the tunnel driving light control apparatus may include: the system comprises a controller, an image acquisition module, a sensor module and a vehicle lamp, wherein the vehicle lamp is positioned at the front end of a vehicle, and the sensor module comprises a speed sensor module and a photosensitive sensor module; the image acquisition module, the sensor module and the car light are respectively electrically connected with the controller.
The electric connection can be wired or wireless, the wired connection refers to the fact that the controller is connected with the image acquisition module and the light sensor module respectively in a wiring mode, and the wireless connection can be a Bluetooth module, a Zigbee module, a 433 module, a 485 module and the like.
In this embodiment, the image information includes a tunnel portal image, a tunnel identifier, a distance identifier, and the like. It should be noted that, in this embodiment, other environment information, such as a distance signal of a tunnel portal, may also be included, which is not described herein again.
in this embodiment, when the vehicle travels to the outside of the tunnel portal, the photosensor module can sense and gather the light intensity signal around the vehicle body in real time, the image information of tunnel portal is gathered to the image acquisition module, the controller receives the light intensity signal and the image information.
S102, acquiring real-time vehicle information; wherein the vehicle information includes a real-time vehicle speed of the vehicle.
the vehicle information is state information of the vehicle, changes in real time during the driving process, and may further include a real-time position of the vehicle, a light control state of the vehicle, and the like.
S103, obtaining distance information between the current vehicle and the tunnel entrance based on the image information of the tunnel entrance, and calculating a time signal of the vehicle entering the tunnel according to the distance information and the real-time vehicle speed.
As shown in fig. 2, in the present embodiment, the image capturing module may capture image information in front of the vehicle in real time. When a vehicle runs through the tunnel, before the vehicle enters the tunnel, the image acquisition module acquires the image information of the tunnel entrance and sends the acquired image information to the controller. The controller performs image recognition processing on the received image: comparing the image recognition technology with prestored information in a database, acquiring the distance from the current vehicle to the tunnel entrance by using the image recognition technology after the comparison is successful, and meanwhile, calculating to obtain a time signal of the vehicle running to the tunnel entrance at the current speed based on the distance and the speed information according to the current speed information accessed by the speed sensor module.
the pre-stored information in the database comprises information such as a guideboard mark, a tunnel entrance image and the like.
in the image recognition process, Open CV may be selected for image processing, a target detection algorithm based on deep learning, such as an R-CNN algorithm, a YOLO algorithm, an SSD algorithm, etc., may be adopted for image recognition, and a monocular vision-based ranging algorithm, such as an Open CV-based monocular ranging algorithm, may be used for distance detection, which is not specifically limited in the present invention.
and S104, comparing the time signal and the light intensity signal with a time threshold and a light intensity threshold respectively, and sending a light control instruction when the time signal is smaller than the time threshold or the light intensity signal is smaller than the light intensity threshold.
Wherein the light control instruction comprises at least one of: turning on the car lights, turning off the car lights, turning on/off the high beam lights, turning on/off the low beam lights, etc., which are not described in detail herein.
In this embodiment, the photosensitive sensor can sense the light intensity of the environment in real time and transmit the light intensity signal to the controller, and the controller compares the light intensity signal with the light intensity threshold. If the light intensity signal is smaller than the light intensity threshold value, sending a vehicle lamp opening instruction; if the light intensity signal is greater than the light intensity threshold, a second criterion is entered.
As shown in fig. 2, in the second determination, the time information is compared with a preset threshold time to send a car light control command, and if the time is greater than the preset threshold time, the time is delayed to the threshold time to send a car light starting command; and if the time is less than the preset threshold time, immediately sending a vehicle lamp starting instruction.
And S105, controlling the vehicle lamp based on the light control command.
In conclusion, by acquiring light intensity information around the vehicle body, the vehicle lamp can be controlled by using the change of the light intensity; meanwhile, the time information of the vehicle entering the tunnel can be acquired based on the image information of the tunnel portal and the real-time vehicle speed information, and the vehicle lamp control is carried out by using two technologies of photosensitive sensing technology and image recognition for assisting judgment, so that a vehicle driver can timely start the vehicle lamp before entering the tunnel, the potential safety hazard caused by forgetting to start the vehicle lamp or delaying the start of the vehicle lamp is avoided, and the driving safety is improved.
On the basis of the foregoing embodiment, in a preferred embodiment, the vehicle information further includes real-time location information of the vehicle, and the obtaining real-time vehicle information is performed to send a light control instruction to a vehicle lamp before the vehicle enters the tunnel based on the vehicle information and the environment information, and further includes:
And acquiring tunnel information of the driving place of the vehicle based on the real-time position information, and sending a vehicle lamp control instruction when a tunnel signal is detected.
In the embodiment, the real-time position information of the vehicle is acquired through the GPS module, the tunnel signal of the passing place can be acquired in real time, and the vehicle lamp control instruction is sent to perform auxiliary control on the vehicle lamp.
Wherein the tunnel signal may be tunnel information of a front passing place in a driving route, and includes: tunnel identification, tunnel distance, tunnel length, number, etc., which are not described in detail herein.
As shown in fig. 3, based on the above embodiment, in a preferred embodiment, the environment information further includes a distance signal between the current vehicle and the vehicle or the pedestrian in front, and the obtaining real-time vehicle information to send the light control command to the vehicle lamp before the vehicle enters the tunnel based on the vehicle information and the environment information further includes:
Comparing the distance signal with the distance threshold, sending a low beam light turn-on command when the distance signal is less than the distance threshold, an
And when the distance signal is greater than the distance threshold value, sending a high beam turning-on command.
in this embodiment, the distance signal is obtained by using an ultrasonic sensor module, specifically, the ultrasonic sensor module compares the distance signal of the front vehicle or the pedestrian and the current vehicle with a preset distance signal threshold value, turns on the low beam light when the measured distance signal is smaller than the preset distance threshold value, and turns on the high beam light when the measured distance signal is larger than the preset distance threshold value. By controlling the switching of the far and near lights of the vehicles, the driving experience of the opposite side during meeting is improved, and the driving safety is improved.
On the basis of the above embodiment, in a preferred embodiment, the method further includes:
and sending a lamp closing instruction after the vehicle leaves the tunnel based on the vehicle information or the environment information.
The vehicle information may be position information of the vehicle, relative distance information of the vehicle and the tunnel, and the like; the environment information may be light intensity information around the vehicle, image information in front of the vehicle, etc., and the present invention is not particularly limited.
In this embodiment, after detecting that the vehicle has left the tunnel based on the vehicle information and the environment information, for example: the light intensity is far greater than the light intensity threshold value, the real-time position of the vehicle deviates from the tunnel and the like, and a vehicle lamp closing instruction is sent to the vehicle lamp to close the vehicle lamp unless the vehicle passes through the tunnel again in front of the ground.
Referring to fig. 4, a second embodiment of the present invention provides a light control device for a tunnel driving lamp, including:
an environmental information acquisition unit 201 for acquiring environmental information around a vehicle body; the environment information comprises a light intensity signal and image information of a tunnel portal;
A vehicle information acquisition unit 202 for acquiring real-time vehicle information; wherein the vehicle information comprises a real-time vehicle speed of the vehicle;
the time signal acquiring unit 203 is used for acquiring distance information between a current vehicle and a tunnel entrance based on the image information of the tunnel entrance and calculating a time signal of the vehicle entering the tunnel according to the distance information and the real-time vehicle speed;
the instruction sending unit 204 is configured to compare the time signal and the light intensity signal with a time threshold and a light intensity threshold, respectively, and send a light control instruction when the time signal is smaller than the time threshold or the light intensity signal is smaller than the light intensity threshold;
And a vehicle lamp control unit 205 for performing vehicle lamp control based on the light control instruction.
preferably, the light control instruction includes at least one of: turning on the vehicle lights, turning off the vehicle lights, turning on/off the high beam, turning on/off the low beam.
Preferably, the vehicle information further includes real-time location information of the vehicle, and then the instruction sending unit 204 further includes:
And the second instruction sending unit is used for acquiring tunnel information of the driving place of the vehicle based on the real-time position information and starting the vehicle lamp when a tunnel signal is detected.
preferably, the environment information further includes a distance signal between the current vehicle and a preceding vehicle or a pedestrian, and the instruction sending unit 204 further includes:
A third instruction transmitting unit for comparing the distance signal with the distance threshold, turning on a low beam when the distance signal is less than the distance threshold, an
and when the distance signal is greater than the distance threshold value, turning on a high beam.
preferably, the tunnel driving light control device further includes:
And the fourth instruction sending unit is used for turning off the vehicle lamps after the vehicle leaves the tunnel based on the vehicle information and the environment information.
A third embodiment of the present invention provides a tunnel driving light control device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements the tunnel driving light control method as described above when executing the program.
a fourth embodiment of the present invention provides a computer-readable storage medium having a computer program stored thereon, characterized in that the program, when executed by a processor, implements the method for controlling light for a tunnel driving light as described above.
illustratively, the computer programs described herein can be partitioned into one or more modules that are stored in the memory and executed by the processor to implement the invention. The one or more modules may be a series of computer program instruction segments capable of performing certain functions, which are used to describe the execution of the computer program in the implementation device. For example, the device described in the second embodiment of the present invention.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an APPlication Specific Integrated Circuit (ASIC), a Field-Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, or the like. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, the processor being the control center of the printing method, and various interfaces and lines connecting the various parts throughout the implementation of the document printing method.
the memory may be used to store the computer programs and/or modules, and the processor may implement various functions of the printing method by executing or executing the computer programs and/or modules stored in the memory and calling data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, a text conversion function, etc.), and the like; the storage data area may store data (such as audio data, text message data, etc.) created according to the use of the user terminal, etc. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Wherein, the module for realizing the user terminal can be stored in a computer readable storage medium if it is realized in the form of software functional unit and sold or used as a stand-alone product. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A light control method for a tunnel driving light is characterized by comprising the following steps:
Acquiring environmental information around a vehicle body; the environment information comprises a light intensity signal and image information of a tunnel portal;
Acquiring real-time vehicle information; wherein the vehicle information comprises a real-time vehicle speed of the vehicle;
Acquiring distance information between a current vehicle and the tunnel entrance based on the image information of the tunnel entrance, and calculating a time signal of the vehicle entering the tunnel according to the distance information and the real-time vehicle speed;
Comparing the time signal and the light intensity signal with a time threshold and a light intensity threshold respectively, and sending a light control instruction when the time signal is smaller than the time threshold or the light intensity signal is smaller than the light intensity threshold;
And controlling the vehicle lamp based on the light control instruction.
2. The vehicle light control method of claim 1, wherein the light control command comprises at least one of: turning on the vehicle lights, turning off the vehicle lights, turning on/off the high beam, turning on/off the low beam.
3. The method according to claim 1, wherein the vehicle information further includes real-time location information of the vehicle, and the obtaining of the real-time vehicle information to send the light control command to the vehicle lamp before the vehicle enters the tunnel based on the vehicle information and the environment information further includes:
And acquiring tunnel information of the driving place of the vehicle based on the real-time position information, and sending a vehicle lamp control instruction when a tunnel signal is detected.
4. The method according to claim 1, wherein the environment information further includes a distance signal between a current vehicle and a preceding vehicle or a pedestrian, the obtaining real-time vehicle information to send a light control command to a vehicle lamp before the vehicle enters the tunnel based on the vehicle information and the environment information, further comprising:
comparing the distance signal with the distance threshold, sending a low beam light turn-on command when the distance signal is less than the distance threshold, an
And when the distance signal is greater than the distance threshold value, sending a high beam turning-on command.
5. The tunnel driving light control method according to claim 1, further comprising:
And sending a lamp closing instruction after the vehicle leaves the tunnel based on the vehicle information or the environment information.
6. a tunnel driving light control device, comprising:
An environmental information acquisition unit for acquiring environmental information around a vehicle body; the environment information comprises a light intensity signal and image information of a tunnel portal;
The vehicle information acquisition unit is used for acquiring real-time vehicle information; wherein the vehicle information comprises a real-time vehicle speed of the vehicle;
The time signal acquisition unit is used for acquiring distance information between a current vehicle and the tunnel entrance based on the image information of the tunnel entrance and calculating a time signal of the vehicle entering the tunnel according to the distance information and the real-time vehicle speed;
The instruction sending unit is used for comparing the time signal and the light intensity signal with a time threshold value and a light intensity threshold value respectively, and sending a light control instruction when the time signal is smaller than the time threshold value or the light intensity signal is smaller than the light intensity threshold value;
and the vehicle lamp control unit is used for controlling the vehicle lamp based on the light control instruction.
7. The tunnel driving light control device according to claim 6, wherein the environmental information further includes a distance signal of a current vehicle from a preceding vehicle or a pedestrian, the instruction transmitting unit further includes:
A low beam light command transmitting unit for comparing the distance signal with the distance threshold value, transmitting a low beam light turning-on command when the distance signal is less than the distance threshold value, an
And the high beam command sending unit is used for sending a high beam opening command when the distance signal is greater than the distance threshold.
8. a tunnel driving light control device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor when executing the program implements a tunnel driving light control method according to any of claims 1-5.
9. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, implements the tunnel driving light control method according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910735511.0A CN110572912A (en) | 2019-08-09 | 2019-08-09 | Light control method for tunnel driving light |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910735511.0A CN110572912A (en) | 2019-08-09 | 2019-08-09 | Light control method for tunnel driving light |
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| CN110572912A true CN110572912A (en) | 2019-12-13 |
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| CN201910735511.0A Pending CN110572912A (en) | 2019-08-09 | 2019-08-09 | Light control method for tunnel driving light |
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| CN112572284A (en) * | 2020-12-29 | 2021-03-30 | 广州小鹏自动驾驶科技有限公司 | Automobile light control method and device |
| CN113581059A (en) * | 2021-06-30 | 2021-11-02 | 上海商汤临港智能科技有限公司 | Light adjusting method and related device |
| CN113630939A (en) * | 2021-07-30 | 2021-11-09 | 中汽创智科技有限公司 | Tunnel driving system, method and device, electronic equipment and storage medium |
| CN113752940A (en) * | 2021-09-13 | 2021-12-07 | 东风柳州汽车有限公司 | Tunnel entrance car lamp control method, tunnel entrance car lamp control equipment, storage medium and tunnel entrance car lamp control device |
| CN113815523A (en) * | 2020-06-19 | 2021-12-21 | 比亚迪股份有限公司 | Method for controlling vehicle windscreen wiper and light, storage medium and vehicle |
| CN113859105A (en) * | 2021-10-28 | 2021-12-31 | 上海安亭地平线智能交通技术有限公司 | Vehicle control method, vehicle control device and vehicle |
| CN115056709A (en) * | 2022-08-05 | 2022-09-16 | 润芯微科技(江苏)有限公司 | Automobile headlamp self-adaption method and system based on UWB technology |
| CN115665936A (en) * | 2022-12-28 | 2023-01-31 | 四川振函创新智能科技有限公司 | Tunnel illumination energy-saving control strategy generation method, system, terminal and medium |
| CN116039493A (en) * | 2023-03-29 | 2023-05-02 | 长安新能源南京研究院有限公司 | Car lamp control method and device, electronic equipment and storage medium |
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Application publication date: 20191213 |